blihanstealer | 0c9ad4f2d26158979e4a75ee7bc909b57959c7a5f60a1c8b082579a3fbf0c9ad

Analysis

max time kernel
149s
max time network
116s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
10/05/2026, 08:27

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General

Target
2026-05-10_1f189565cf25a8ca61c9c2d06ed301d0_elex_qilin.exe
Size 85KB
Sample260510-kclffaby8v
SHA256 0c9ad4f2d26158979e4a75ee7bc909b57959c7a5f60a1c8b082579a3fbf0c9ad
MD5 1f189565cf25a8ca61c9c2d06ed301d0
SHA1 67d97a9546952a6b7bbdba97a9e9d8742d38583d
SHA512 bb98301006f7a75eee6c4fd0cb159d7a3662197c7566ecd771578b7be61bae61cfaa6aca5633a7b4979e38c1687a4d056197db57879153454f326ea164a30ba7
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8ht:E1oEFlt6vghzwYu7vih9GueIh9j2IoHC
TLSH
T14383D44B4EA5CDDBD804103BABEAA22C86E3FC451DCCF35957EEC80674C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery blihanstealer persistence stealer trojan

Malware Config

Extracted

Family

blihanstealer

Mutex

pomdfghrt

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)

Signatures

Family: BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/3792-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001e00000002b263-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3792-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4736-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2816-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2816	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2816	microsofthelp.exe
4736	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-10_1f189565cf25a8ca61c9c2d06ed301d0_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-10_1f189565cf25a8ca61c9c2d06ed301d0_elex_qilin.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-10_1f189565cf25a8ca61c9c2d06ed301d0_elex_qilin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 2816	3792	2026-05-10_1f189565cf25a8ca61c9c2d06ed301d0_elex_qilin.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-10_1f189565cf25a8ca61c9c2d06ed301d0_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-10_1f189565cf25a8ca61c9c2d06ed301d0_elex_qilin.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3792
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2816

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4736

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 85KB
SHA256 86d4a9a3e7e0a9a734ea07a959f470755ebb59eb3ca19265c39154eba301989a
MD5 24bdf70fdd01a853d8ddf5d92ddf6859
SHA1 badf757f42b325ba73ea2fa4ea589575e7de8055
SHA512 87e5771a9b0f2f80163584a160812d1919da936daf008c5103f7b17cff6c937a9edc045d9f061fd957161b816c959c5449f255b253f6d8969eeacc572d3260e7
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hM:E1oEFlt6vghzwYu7vih9GueIh9j2IoHT
TLSH
T1B383D44B4EA5CDDBD804103FABEAA22C86E3FC451DCCF35957EEC80664C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2816-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3792-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3792-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4736-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads